our winner is lisa in raleigh, north carolina. >> peter: i would have won. a ten ton meteor crashing into central russia last week as onlookers watched in horror. (scream). >> peter: the space rocket explosion triggered chaos in the streets and more than 1,000 people were injured, including 200 children. a couple days later, reports of a possible sighting in california? luckily no impact or damage there. >> steve: so what can we do if a meteor is headed for planet earth? here with some answers is research scientist, paul, who joinses from los angeles. good morning to you. >> good morning. >> steve: they said last week, last friday that we didn't see that thing coming. is there somebody who is supposed to be look out there saying okay. i see one. it's going to hit us on tuesday? >> nasa has a program to search for these objects and we've done a good job at finding the large ones. we put the priority on finding the large one first. the one that hit on friday was really a tiny asteroid, pretty small. >> anna: it's wild that this tiny one caused this much damage